Using graphene “paper” and electron “ink,” Danish and Chinese researchers have created one of the tiniest data storage methods ever devised. This technique could eventually be used as a means of nanoscale data storage (can you imagine storing the entire Library of Congress on a single gram of graphene?), or to create graphene-based computer circuits.

A group of scientists from Lawrence Berkeley National Laboratory and the National University of Singapore recently had their way with a 10nm particle made of gold. They used an electron beam, produced by a Transmission Electron Microscope (TEM) to tractor the nanoparticle with a piconewton force, enabling them to move it several microns in any direction at speeds in the range of 10nm/sec.

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